| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cannot read or write | 94 |
9.2%
|
| 2 | Can read but not write | 42 |
4.1%
|
| 3 | Can read and write a little | 375 |
36.7%
|
| 4 | Can read and write fluently | 511 |
50%
|
| Sysmiss | 951 |